OTLK Outlook Therapeutics, Inc.
Outlook Therapeutics, Inc. (OTLK) Institutional Ownership
What the institutions did with OTLK last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 4.4M | 21.4% |
| PERCEPTIVE ADVISORS LLC | 3.1M | 15.3% |
| MARSHALL WACE, LLP | 2.0M | 9.7% |
| BlackRock, Inc. | 1.7M | 8.2% |
| JANE STREET GROUP, LLC | 1.4M | 7.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2M | 6.1% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 968.2K | 4.7% |
| HRT FINANCIAL LP | 784.9K | 3.8% |
| VANGUARD FIDUCIARY TRUST CO | 661.7K | 3.2% |
| GILPIN WEALTH MANAGEMENT, LLC | 555.0K | 2.7% |
| STATE STREET CORP | 539.8K | 2.6% |
| CANTOR FITZGERALD, L. P. | 450.0K | 2.2% |
| Sanctuary Advisors, LLC | 344.5K | 1.7% |
| RAYMOND JAMES FINANCIAL INC | 332.1K | 1.6% |
| GROUP ONE TRADING LLC | 246.4K | 1.2% |
| NORTHERN TRUST CORP | 237.6K | 1.2% |
| SIMPLEX TRADING, LLC | 205.0K | 1.0% |
| LPL Financial LLC | 184.9K | 0.9% |
| UBS Group AG | 152.2K | 0.7% |
| DEUTSCHE BANK AG\ | 130.7K | 0.6% |
| Wealth Management Partners, LLC | 118.2K | 0.6% |
| Jefferies Financial Group Inc. | 62.5K | 0.3% |
| MILLENNIUM MANAGEMENT LLC | 57.8K | 0.3% |
| Tower Research Capital LLC (TRC) | 57.4K | 0.3% |
| Royal Fund Management, LLC | 47.2K | 0.2% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| ARMISTICE CAPITAL, LLC | Sold Out | 4.2M | 0 | -4.2M |
| PERCEPTIVE ADVISORS LLC | New | 0 | 3.1M | +3.1M |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 2.0M | 4.4M | +2.4M |
| MARSHALL WACE, LLP | New | 0 | 2.0M | +2.0M |
| JANE STREET GROUP, LLC | New | 0 | 1.4M | +1.4M |
| BlackRock, Inc. | Increased | 477.5K | 1.7M | +1.2M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 134.1K | 968.2K | +834.1K |
| HRT FINANCIAL LP | Increased | 67.8K | 784.9K | +717.1K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 603.6K | 1.2M | +642.3K |
| VANGUARD FIDUCIARY TRUST CO | Increased | 176.5K | 661.7K | +485.1K |
| COMMONWEALTH EQUITY SERVICES, LLC | Sold Out | 470.0K | 0 | -470.0K |
| CANTOR FITZGERALD, L. P. | New | 0 | 450.0K | +450.0K |
| STATE STREET CORP | Increased | 163.1K | 539.8K | +376.7K |
| Sanctuary Advisors, LLC | New | 0 | 344.5K | +344.5K |
| RAYMOND JAMES FINANCIAL INC | Increased | 27.1K | 332.1K | +305.0K |
| Warberg Asset Management LLC | Sold Out | 275.0K | 0 | -275.0K |
| RENAISSANCE TECHNOLOGIES LLC | Sold Out | 255.2K | 0 | -255.2K |
| NINE MASTS CAPITAL Ltd | Sold Out | 232.5K | 0 | -232.5K |
| Connective Capital Management, LLC | Sold Out | 200.0K | 0 | -200.0K |
| NORTHERN TRUST CORP | Increased | 67.4K | 237.6K | +170.2K |
| LPL Financial LLC | Increased | 33.6K | 184.9K | +151.3K |
| GROUP ONE TRADING LLC | Increased | 113.7K | 246.4K | +132.7K |
| DEUTSCHE BANK AG\ | New | 0 | 130.7K | +130.7K |
| Wealth Management Partners, LLC | New | 0 | 118.2K | +118.2K |
| Virtu Financial LLC | Sold Out | 112.8K | 0 | -112.8K |
| SIMPLEX TRADING, LLC | Increased | 132.7K | 205.0K | +72.3K |
| Jefferies Financial Group Inc. | New | 0 | 62.5K | +62.5K |
| MILLENNIUM MANAGEMENT LLC | New | 0 | 57.8K | +57.8K |
| XTX Topco Ltd | Sold Out | 53.0K | 0 | -53.0K |
| Royal Fund Management, LLC | New | 0 | 47.2K | +47.2K |
| SCOTIA CAPITAL INC. | New | 0 | 46.3K | +46.3K |
| GILPIN WEALTH MANAGEMENT, LLC | Reduced | 600.2K | 555.0K | -45.2K |
| Tower Research Capital LLC (TRC) | Increased | 14.8K | 57.4K | +42.6K |
| Belvedere Trading LLC | New | 0 | 40.9K | +40.9K |
| Vanguard Global Advisers, LLC | Increased | 6.9K | 41.1K | +34.2K |
| Corient Private Wealth LP | Sold Out | 30.1K | 0 | -30.1K |
| Steward Partners Investment Advisory, LLC | Increased | 14 | 29.5K | +29.5K |
| Point72 Asset Management, L.P. | Sold Out | 29.0K | 0 | -29.0K |
| UBS Group AG | Increased | 133.1K | 152.2K | +19.1K |
| Bank of New York Mellon Corp | New | 0 | 18.7K | +18.7K |
| Signet Private Wealth LLC | New | 0 | 17.6K | +17.6K |
| SG Americas Securities, LLC | New | 0 | 17.3K | +17.3K |
| NewEdge Advisors, LLC | New | 0 | 16.7K | +16.7K |
| ORRSTOWN FINANCIAL SERVICES INC | New | 0 | 15.0K | +15.0K |
| TWO SIGMA SECURITIES, LLC | New | 0 | 14.9K | +14.9K |
| MORGAN STANLEY | Increased | 3.8K | 17.0K | +13.2K |
| StoneX Group Inc. | Sold Out | 13.1K | 0 | -13.1K |
| Simplicity Wealth,LLC | New | 0 | 11.3K | +11.3K |
| GOLDMAN SACHS GROUP INC | Sold Out | 10.3K | 0 | -10.3K |
| Fifth Third Wealth Advisors LLC | New | 0 | 10.0K | +10.0K |
| JPMORGAN CHASE & CO | Increased | 15 | 8.0K | +8.0K |
| Vanguard Personalized Indexing Management, LLC | Reduced | 31.5K | 24.1K | -7.4K |
| Caitong International Asset Management Co., Ltd | New | 0 | 7.3K | +7.3K |
| Rockefeller Capital Management L.P. | New | 0 | 6.3K | +6.3K |
| OSAIC HOLDINGS, INC. | Increased | 7.3K | 11.5K | +4.2K |
| GoalVest Advisory LLC | New | 0 | 3.0K | +3.0K |
| OPPENHEIMER & CO INC | Reduced | 15.5K | 14.0K | -1.5K |
| Federation des caisses Desjardins du Quebec | Reduced | 1.3K | 25 | -1.3K |
| Fortitude Family Office, LLC | Reduced | 2.6K | 1.4K | -1.1K |
| WELLS FARGO & COMPANY/MN | Reduced | 2.5K | 1.4K | -1.1K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.